18. A man walks 30 metres towards South. Then turning to his right he walks 30 metres. Then turn to his left and walks 20 metres. Again take a turn to his left and walks 30 metres. How far is he from his initial position?

[a] 20 metres
[b] 50 metres
[c] 60 metres
[d] 80 metres

19. Who has been conferred with the ‘Orders of the Rising Sun, Gold and Silver Star” award?